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The Nine Planets is an encyclopedic overview with facts and information about mythology and current scientific knowledge of the planets, moons, and other objects in our solar system and beyond.
- Planets
The Planets of the Solar System Detailed information and...
- Solar System
Not shown in the above illustrations are the numerous...
- Objects
Latest Buyer’s Guides. How to choose your telescope...
- Questions
Frequently asked space questions to help you learn about...
- Buyer’s Guides
The Nine Planets Space and Astronomy Product Reviews We...
- The Sun
The Sun is so big it takes up 99% of the matter in our solar...
- The Moon
The Moon, otherwise known as Luna, is the only natural...
- Moon Phases
– Our Moon is the fifth-largest natural satellite in the...
- Planets
Learn about the eight planets and five dwarf planets in our solar system, their sizes, locations, features, and exploration missions. Find out how NASA defines a planet and what is the search for Planet Nine.
Hace 5 días · Located at the centre of the solar system and influencing the motion of all the other bodies through its gravitational force is the Sun, which in itself contains more than 99 percent of the mass of the system. The planets, in order of their distance outward from the Sun, are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
29 de mar. de 2023 · The order of the planets in the solar system, starting nearest the sun and working outward is the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and then the...
Our solar system has eight planets, and five dwarf planets. 2. Small Worlds, Too. 3. Lots of Moons. Our solar system has more than 200 moons. 4. Meet Me in the Milky Way. Our solar system is in one of the Milky Way galaxy’s four spiral arms. 5. A Long Way Around. Our solar system takes about 230 million years to orbit the galactic center. 6.
17 de jul. de 2019 · Our solar system is home to eight amazing planets. Some are small and rocky; others are big and gassy. Some are so hot that metals would melt on the surface. Others are freezing cold. We're learning new things about our neighboring planets all the time. We send spacecraft to take pictures, gather information, and find out more about them.
Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids.
